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Analysis

  • max time kernel
    140s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25/07/2024, 10:04

General

  • Target

    6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe

  • Size

    994KB

  • MD5

    6f218b9a4dd793bc86c851e06b12c65e

  • SHA1

    075981cf90fa7e1e6dbeddc28f035741485e7e77

  • SHA256

    3caa31ea631ee68d8cc7a98d331d1fc2a5d2774b133e45bad4fc81ae4c675776

  • SHA512

    772817c3eb98281dedd426d8f89b99587aa26d0862b2eaf9bce50b4c9a2d5e1396d099f7522984aab9901485feadc9a666b03471488078ce03d9c8fcb8b7f802

  • SSDEEP

    24576:58+/xmZPxY7+H0iwQPZN0AFGK9pLwqdzkp7Sn/3b2RwEPWsuJjxm4:z54Y7kjv0aGKHLwgzBn/r+YsuJVm4

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\winlogon.exe
      C:\Windows\winlogon.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      PID:1312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\winlogon.exe

    Filesize

    994KB

    MD5

    6f218b9a4dd793bc86c851e06b12c65e

    SHA1

    075981cf90fa7e1e6dbeddc28f035741485e7e77

    SHA256

    3caa31ea631ee68d8cc7a98d331d1fc2a5d2774b133e45bad4fc81ae4c675776

    SHA512

    772817c3eb98281dedd426d8f89b99587aa26d0862b2eaf9bce50b4c9a2d5e1396d099f7522984aab9901485feadc9a666b03471488078ce03d9c8fcb8b7f802

  • memory/1312-10-0x0000000000400000-0x0000000000545000-memory.dmp

    Filesize

    1.3MB

  • memory/1312-11-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1312-13-0x0000000000400000-0x0000000000545000-memory.dmp

    Filesize

    1.3MB

  • memory/1920-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/1920-0-0x0000000000400000-0x0000000000545000-memory.dmp

    Filesize

    1.3MB

  • memory/1920-8-0x00000000031A0000-0x00000000032E5000-memory.dmp

    Filesize

    1.3MB

  • memory/1920-7-0x00000000031A0000-0x00000000032E5000-memory.dmp

    Filesize

    1.3MB

  • memory/1920-12-0x0000000000400000-0x0000000000545000-memory.dmp

    Filesize

    1.3MB